Chemtutor.com Chemistry Help - Wyzant Lessons

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Chemtutor.com Overview

Chemtutor.com ranking shows that the page is at position 0 over the world.

Chemtutor.com hosting company servers are placed in the United States, but, unfortunately, it’s not possible to identify the countries where the bulk of chemtutor.com users come from and, therefore, we couldn’t define if the distance can influence the webpage load time. See the list of other webpages hosted on GOOGLE-PRIVATE-CLOUD - Google LLC, US servers.

In terms of rank-to-traffic ratio, chemtutor.com has 2,078 unique users per day, viewing 4,152 pages. The rank based value of chemtutor.com is 3,114 USD. Every user makes 2.16 pageviews on average.

Chemtutor.com boasts a link base consisting of 261 referring domains and 277 external backlinks, as revealed by the data obtained from web network scanning.

Chemtutor.com top-level domain belongs to .COM domain zone. Check other webpages in .COM zone.

According the last verification test in August 16, 2024, chemtutor.com has an expired SSL certificate issued by Google Trust Services (expired on October 17, 2024). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by Google Trust Services.

Based on data from Google Safe Browsing, Google Safe Search, Symantec and Web of Trust chemtutor.com is a fairly safe domain.

According the Mobile-Friendly test by Google chemtutor.com is nice optimized for mobile devices and tablets.

Chemtutor.com Rank Summary

Global Rank

Average Load Time

0.25sec

Links In Count

241

Website Value

$2,883

Audience Geography. Where are chemtutor.com visitors located?

Country	Visitors

Country	Pageviews

Country	Rank

Where do visitors go on chemtutor.com?

Subdomain	Pageviews

Subdomain	Pageviews per User

Subdomain	Reach

How popular is chemtutor.com?

Period	Global Rank	Global Rank Delta

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta

Chemtutor.com Website Safety

Overview

Last Updated: 11/09/2024

Overall result - chemtutor.com is safe.

We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.

Norton Connect Safe

Last Updated: 04/01/2024

chemtutor.com is safe.

Norton ConnectSafe evaluates chemtutor.com for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 01/01/2017

chemtutor.com is safe.

SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.

Google Safe Browsing

Last Updated: 01/09/2019

chemtutor.com is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.

Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.

Site Advisor

Last Updated: 03/02/2021

chemtutor.com is safe.

McAfee assesses chemtutor.com for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze chemtutor.com for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/11/2019

chemtutor.com child safety is very good.

The WOT calculates reputation of the chemtutor.com. This reputation system receives ratings from users and information from third-party sources, assesses the chemtutor.com for safety features and confirms, whether chemtutor.com is suitable for children.

SSL Information

SSL Checker Tool

Domain	www.wordsources.info
Issuer Organization	Google Trust Services
Issuer	WR3
Algorithm	RSA-SHA256
Valid form	07/19/2024
Expiration	10/17/2024
Signed	Certificate is not self signed
Additional Domains	www.wordsources.info www.chemtutor.com wordsources.info algebrahelp.com tutorspree.com hpol.org middlecity.com www.cornell-notes.com www.tutorspree.com www.hpol.org www.middlecity.com cornell-notes.com tiger.algebrahelp.com www.algebrahelp.com www.eslpartyland.com chemtutor.com eslpartyland.com

Chemtutor.com Rank History

Alexa Rank shows how popular chemtutor.com is in comparison with other sites. The most popular site has Alexa Rank equals 1. If chemtutor.com has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to chemtutor.com and pageviews on chemtutor.com over the past 3 months.

Chemtutor.com Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 396982

ASN Title: GOOGLE-PRIVATE-CLOUD - Google LLC, US

Last Update: 03/05/2024

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2019, American Registry for Internet Numbers, Ltd.
#

ASNumber: 396982
ASName: GOOGLE-PRIVATE-CLOUD
ASHandle: AS396982
RegDate: 2018-08-15
Updated: 2018-08-15
Comment: *** This ASN is used for Google Private Cloud ***
Comment:
Comment: Direct all copyright and legal complaints to
Comment: https://support.google.com/legal/go/report
Comment:
Comment: Direct all spam and abuse complaints to
Comment: https://support.google.com/code/go/gce_abuse_report
Comment:
Comment: For fastest response, use the relevant forms above.
Comment:
Comment: Complaints can also be sent to the GC Abuse desk
Comment: (google-cloud-compliance@google.com)
Comment: but may have longer turnaround times.
Comment:
Comment: Complaints sent to any other POC will be ignored.
Ref: https://rdap.arin.net/registry/autnum/396982

OrgName: Google LLC
OrgId: GOOGL-2
Address: 1600 Amphitheatre Parkway
City: Mountain View
StateProv: CA
PostalCode: 94043
Country: US
RegDate: 2006-09-29
Updated: 2017-12-21
Comment: *** The IP addresses under this Org-ID are in use by Google Cloud customers ***
Comment:
Comment: Direct all copyright and legal complaints to
Comment: https://support.google.com/legal/go/report
Comment:
Comment: Direct all spam and abuse complaints to
Comment: https://support.google.com/code/go/gce_abuse_report
Comment:
Comment: For fastest response, use the relevant forms above.
Comment:
Comment: Complaints can also be sent to the GC Abuse desk
Comment: (google-cloud-compliance@google.com)
Comment: but may have longer turnaround times.
Comment:
Comment: Complaints sent to any other POC will be ignored.
Ref: https://rdap.arin.net/registry/entity/GOOGL-2

OrgTechHandle: ZG39-ARIN
OrgTechName: Google LLC
OrgTechPhone: +1-650-253-0000
OrgTechEmail: arin-contact@google.com
OrgTechRef: https://rdap.arin.net/registry/entity/ZG39-ARIN

OrgAbuseHandle: GCABU-ARIN
OrgAbuseName: GC Abuse
OrgAbusePhone: +1-650-253-0000
OrgAbuseEmail: google-cloud-compliance@google.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/GCABU-ARIN

OrgNOCHandle: GCABU-ARIN
OrgNOCName: GC Abuse
OrgNOCPhone: +1-650-253-0000
OrgNOCEmail: google-cloud-compliance@google.com
OrgNOCRef: https://rdap.arin.net/registry/entity/GCABU-ARIN

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2019, American Registry for Internet Numbers, Ltd.
#

Chemtutor.com Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: CHEMTUTOR.COM
Registry Domain ID: 1171545_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.101domain.com
Registrar URL: http://101domain.com
Updated Date: 2022-04-07T14:20:51Z
Creation Date: 1997-08-15T04:00:00Z
Registry Expiry Date: 2023-08-14T04:00:00Z
Registrar: 101domain GRS Limited
Registrar IANA ID: 1011
Registrar Abuse Contact Email: abuse@101domain.com
Registrar Abuse Contact Phone: +17604448674
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS-CLOUD-A1.GOOGLEDOMAINS.COM
Name Server: NS-CLOUD-A2.GOOGLEDOMAINS.COM
Name Server: NS-CLOUD-A3.GOOGLEDOMAINS.COM
Name Server: NS-CLOUD-A4.GOOGLEDOMAINS.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2022-05-23T00:35:07Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
chemtutor.com	35.193.209.74	300

Host	MX Record	Priority	TTL

Host	NS Record	TTL
chemtutor.com	ns-cloud-a1.googledomains.com	21600
chemtutor.com	ns-cloud-a2.googledomains.com	21600
chemtutor.com	ns-cloud-a3.googledomains.com	21600
chemtutor.com	ns-cloud-a4.googledomains.com	21600

Host	TXT Record	TTL

ns-cloud-a1.googledomains.com
TTL: 21600
Email address: cloud-dns-hostmaster.google.com
Serial: 1
Refresh: 21600
Retry: 3600
Expire: 259200
Minimum: 300

Chemtutor.com HTML Check

HTML Validation Tool

Warnings

Consider avoiding viewport values that prevent users from resizing documents.

The first occurrence of ID “headerLogo” was here.

Errors

Bad value “//fonts.googleapis.com/css?family=Open+Sans:300,400,600,700,400italic|Ubuntu:300,400,500|Roboto+Slab&display=swap” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Duplicate ID “headerLogo”.

End tag “h2” seen, but there were open elements.

Unclosed element “a”.

End tag “div” seen, but there were open elements.

Start tag “a” seen but an element of the same type was already open.

End tag “a” violates nesting rules.

Cannot recover after last error. Any further errors will be ignored.

Chemtutor.com Desktop Performance

Last tested: 11/11/2019

Desktop Speed

81%

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Leverage browser caching

Reduce server response time

Optimize images

Minify JavaScript

Desktop Resource Breakdown

Total Resources	88
Number of Hosts	29
Static Resources	40
JavaScript Resources	38
CSS Resources	7

Chemtutor.com Mobile Insights

Last tested: 11/21/2019

Mobile Usability

95%

Size tap targets appropriately

Mobile Speed

62%

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Leverage browser caching

Reduce server response time

Optimize images

Minify JavaScript

Mobile Resource Breakdown

Total Resources	89
Number of Hosts	30
Static Resources	40
JavaScript Resources	39
CSS Resources	7

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Chemtutor.com Chemistry Help - Wyzant Lessons

In our chemistry help section, you'll find a broad range of topics from very basic chemistry all the way through

Chemtutor.com Overview

Chemtutor.com Rank Summary

Chemtutor.com Website Safety

Chemtutor.com Rank History

Chemtutor.com Hosting Information

Chemtutor.com Domain Registration and Settings

Chemtutor.com HTML Check

Chemtutor.com Desktop Performance

Chemtutor.com Mobile Insights

Chemtutor.com Similar Audits

Chemtutor.com Common Typos